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[Model Runner v2] fix pd accuracy #42888

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ZJY0516 wants to merge 2 commits into from
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[Model Runner v2] fix pd accuracy #42888

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d8e8ac7
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ZJY0516 May 17, 2026
299be91
update
ZJY0516 May 18, 2026
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13 changes: 8 additions & 5 deletions vllm/distributed/kv_transfer/kv_connector/v1/nixl/worker.py
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Original file line number Diff line number Diff line change
Expand Up @@ -464,11 +464,14 @@ def _sync_block_size_with_kernel(self) -> None:
kernel_block_size,
)
assert self.block_size > kernel_block_size
self._physical_blocks_per_logical_kv_block = (
self.block_size // kernel_block_size
)
self.block_size = kernel_block_size
self.num_blocks *= self._physical_blocks_per_logical_kv_block
if self.vllm_config.use_v2_model_runner:
self._physical_blocks_per_logical_kv_block = 1
else:
self._physical_blocks_per_logical_kv_block = (
self.block_size // kernel_block_size
)
self.block_size = kernel_block_size
self.num_blocks *= self._physical_blocks_per_logical_kv_block

def _nixl_handshake(
self,
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